Finding the Fourth Proportional to 12,274,942.69, 18,417,723.59 and 6,588,523.99
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Solution
The fourth proportional to 12,274,942.69, 18,417,723.59 and 6,588,523.99 is: 9,885,635.87
Step by Step Solution
- Step 1: Write the proportion equation
12,274,942.69 : 18,417,723.59 = 6,588,523.99 : x - Step 2: Convert to fraction form
12,274,942.69/18,417,723.59 = 6,588,523.99/x - Step 3: Cross multiply
12,274,942.69x = 18,417,723.59 × 6,588,523.99 - Step 4: Simplify right side
12,274,942.69x = 121,345,613,713,903.92 - Step 5: Solve for x
x = 121,345,613,713,903.92/12,274,942.69 - Step 6: Final answer
x = 9,885,635.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.